What is a VPN? Is Using It Legal?

In the age of Internet, the VPN will become the main part of our network life. Many different VPN services have appeared in the market, do you know what is the VPN, how is it works and is using it legal in your country? This blog will tell you more about the VPN, you can also publish your views or questions to us, we are very happy to discuss with you.

Understand all aspects of VPN

VPN (Virtual Private Network) is a network technology that creates a secure network connection over a public networks such as the internet or a private network owned by a service provider, large corporations, educational institutions and government agencies use VPN technology to enable remote users to securely connect to a private network. Actually, VPN is not a really special network, but it can realize functions for the private network. VPN refers to establish a private data communication network in public network technology depend on ISP and other NSP. On the VPN, the connection between any 2 nodes is not needed for the traditional private network end-to-end physical link, but it is needed the resources of the public sites of dynamic.

Some of Internet users just take on lease for the Frame Relay and ATM data network to provide PVC-Permanent Virtual Circuit to connect with other place, this way can make all the permissions in someone else’s hands. If users need some other service, they have to fill out a lot of documents and wait for quite time to enjoy the new service. The most important is the price of two terminal equipments is very expensive, and need to spend much money for professional management and technical personnel. Besides, Frame Relay and ATM data network is doesn’t like the Internet to connect with other place immediately, but VPN users can control the connection with other one on the internet, and VPN also supports Dial-up users. Hence, here’s VPN means what can self management on the Internet, rather than Frame Relay and ATM network what is provide PVC service. Here I may tell you the VPN which is according to IP as the main communication protocol can also named IP-VPN.

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Question and Answer

Q: How to define the VPN?

A: VPN (Virtual Private Network) like having a private network over the internet which is public network. If there are multiple offices of any company which are geographically separated and company wishes to have inter-connectivity between these sites then VPN is the most common and reasonable choice as it only requires an internet connection on the edge device on the office premises. For building VPN public networks including the Internet, frame relay, ATM, etc. VPN can be like a private network to provide security, reliability and rationality can be cured.
The conception of Virtual is relative to the traditional way to construct private network. For the wan connection, the traditional network mode is realized through remote dial-up connection, but VPN is realized WAN connection with the public network. VPN is the temporary set up special virtual network security on the Internet, so as user to save the cost of the leased line. On the operating capital expenditure, except to buy VPN devices, enterprise just need to pay for the local ISP, and also save the cost of long distance call. That is why VPN can save the cost. According to industry survey, the companies with the VPN compared the companies with the traditional remote access private wire network, Modem pool and dial-up line companies can save 30% to 70% of the cost.

Q: What kinds of VPN can be divided?

A: VPN is divided into three types (Access VPN, Intranet VPN and Extranet VPN).

Q: What design principles VPN should be follow?

A: VPN should be following these design principles: Security, Network optimization and have a good service.

There are a lot of VPN technology and way in the market, but all of VPN should guarantee the specificity and safety of data transmission through the public network platform. Then in order to build a tunnel in a connection-oriented public IP network to establish a logical and point-to-point connections. It can take advantage of the transmission of data encryption technology to pass tunnel encryption, to ensure that the data is specified only the sender and receiver of understanding, so as to ensure the privacy and security of data. In terms of security, the VPN is build directly on the public Internet to make simple, convenient and flexible, but the security problem is more important. Businesses must ensure that their data are not peep and tampered with attacker on VPN, and they need to prevent illegal users access to network resources or private information. Hence, Extranet VPN have better request for security for the enterprise network extended to partners and clients.

Is using VPN legal?

Infect, VPN are not considered illegal in most countries and anyone can go ahead and start using a VPN service. The act of surfing through another IP is legal, and is something even the biggest companies in the world do all the time. VPNs help enable users working at home, on the road, or at a branch office to connect in a secure fashion to a remote corporate server using the Internet. From the users perspective, the VPN is a point-to-point connection between the user’s computer and a corporate server. The nature of the intermediate network, the Internet, is irrelevant to the user because it appears as if the data is being sent over a dedicated private link. When used for legal purposes, VPNs are not considered illegal in most countries and anyone can go ahead and start using a VPN service. The act of surfing through another IP is legal, and is something even the biggest companies in the world do all the time. If you however hide behind a VPN service to perform illegal activities, then you’re of course violating the law.

What kind of VPN is suitable for you?

1.Price. Most VPN companies charge a fee per month. The cost for a VPN service should match up with the number and quality of service it provides. It’s always tempting to choose the least expensive, but the cheapest isn’t necessarily the best.

2.Speed. In most cases all your Internet traffic will be sent via the company’s own servers before being forwarded to their destination once you connect to a VPN. Services that make your Internet slow to a crawl when you connect to them are also often not worth your time.

3.Security. The VPN provider will go to make sure that your information isn’t available to third parties who come snooping for it. And please note that when choosing a VPN check what security they provide, and more importantly what type of protocols they offer (such as PPTP or OpenVPN).

4.Support. You’re better off with a company with 24-7 support, and one that has a decent support website with user forums and the like. That’s usually one of the best places to check when you run into technical difficulties.

Conclusion

VPN is very important in network construction, and VPN technology will be the best solution for the construction of wide area network, it not only can greatly save the construction of WAN, save maintenance cost, enhance the reliability and security of the network. At the same time, the VPN can speed up the construction of enterprise network, makes the group put the branch network throughout the country together quickly, and give full play to the role of the entire network. VPN is a very important role in promoting the electronic commerce and electronic trade.

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